package lambda;

/**
 * @author : DuJiabao
 * @Date : 2021/3/20 13:56
 * @Project : java_learning
 * @File : null.java
 * @Desc :
 */
public class User {
  private int id;

  public User() {
  }

  public User(int id) {
    this.id = id;
  }

  @Override
  public String toString() {
    return "User{" +
            "id=" + id +
            '}';
  }

}
